B2noun1K

Rubber

UK /["/ˈrʌbə(r)/"]/US /["/ˈrʌbər/"]/

Definition

a strong substance that can be stretched and does not allow liquids to pass through it, used for making tyres, boots, etc. It is made from the liquid (= sap) inside a tropical plant or is produced using chemicals.

In simple words: A flexible material made from the sap of certain trees, used for many products.

Examples

  • a ball made of rubber
  • a rubber tree
  • a rubber plantation
  • My legs were like rubber - I could hardly walk.
  • I don't like the smell of burning rubber.
  • Here's where the rubber meets the road: will consumers actually buy the product?

Usage notes

Use 'rubber' when referring to the material itself. Avoid using in contexts where specificity is needed, like distinguishing between rubber and plastic.

Grammar pattern

standalone noun

Memory hint

Think of a 'rubber duck' — it’s made of rubber!

Collocations

  • rubber band
  • rubber tire
  • rubber mat
  • rubber stamp

Synonyms

  • elastic
  • gum
  • latex
  • polymer

Antonyms

  • hard
  • rigid

Common mistakes

  • Confused with 'gummy' or 'plastic'
  • Using 'rubber' as a verb instead of a noun
  • Not recognizing the different types of rubber (natural vs synthetic)